Display device and display image rotation adapting method

Abstract

The disclosure provides a display device and a display image rotation adapting method. A rotating component may be controlled to rotate a screen into a portrait mode if a video media resource is a vertical media resource and the screen is in a landscape mode; or, the rotating component may be controlled to rotate the screen into a landscape mode if the video media resource is a horizontal media resource and the screen is in a portrait mode, so as to adapt to an aspect ratio corresponding to the video media resource.

What is claimed is: 
     
       1. A display device, comprising:
 a screen, configured to display broadcast content and/or network content; 
 a rotating component, connected with the screen and configured to drive the screen to rotate to make the screen in a landscape mode or a portrait mode; and 
 a controller, connected with the rotating component and the screen, and configured to:
 in response to a play action of a video media resource of the display device, detect a current rotating state of the screen; 
 in response to the current rotating state of the screen being in the landscape mode and the video media resource being a vertical media resource, control the rotating component to rotate the screen to the portrait mode; 
 calculate a rotating parameter according to the current rotating state and an aspect ratio of the video media resource, wherein the rotating parameter comprises a display image scaling ratio and/or a rotating angle; 
 adjust a display window of the video media resource on the screen according to the rotating parameter; 
 obtain a current display window position of the video media resource on the screen; 
 determine a target display window position according to a current rotating state of the screen; 
 compare the target display window position with the current display window position to generate width-height deformations; 
 determine a scaling step size, wherein the scaling step size is a width-height scaling increment per unit time calculated according to the width-height deformations and a rotating speed of the rotating component; and 
 adjust width and height values of the display window according to the scaling step size. 
 
 
     
     
       2. The display device according to  claim 1 , wherein the controller is further configured to:
 determine a coordinate of a scaling base point in the current display window; and 
 adjust synchronously the width and height values of the display window according to the scaling step size with the coordinate of the scaling base point as a reference. 
 
     
     
       3. The display device according to  claim 1 , wherein the controller is further configured to:
 determine a window rotating direction, wherein the window rotating direction is opposite to a rotating direction of the screen; 
 compare the target display window position with the current display window position to generate an angle deformation; and 
 generate a rotating step size, wherein the rotating step size is an angle rotating increment per unit time calculated according to the angle deformation and a rotating speed of the rotating component. 
 
     
     
       4. The display device according to  claim 1 , wherein the rotating component comprises an angle sensor, and the controller is further configured to:
 obtain angle data of the screen in real time by monitoring the angle sensor; 
 synchronously calculate a rotating parameter of a display window according to the angle data; and 
 adjust a window for displaying the video media resource according to the rotating parameter. 
 
     
     
       5. The display device according to  claim 1 , wherein the controller is further configured to:
 detect an on/off state of the rotating component; 
 detect an aspect ratio of a display window corresponding to the video media resource and the current rotating state of the screen in response to the state of the rotating component being on; and 
 control the screen to present a setting interface of the on/off state of the rotating component in response to the state of the rotating component being off. 
 
     
     
       6. The display device according to  claim 1 , wherein the controller is further configured to:
 receive a command for rotating the screen from a user; and 
 send the command to a driving motor of the rotating component to start rotating. 
 
     
     
       7. The display device according to  claim 1 , wherein the rotating component comprises a driving motor and a rotating shaft, wherein the driving motor is connected to the controller, and one end of the rotating shaft is connected to a power output of the driving motor, and the other end of the rotating shaft is connected to the screen, to enable the screen to be fixedly mounted on a wall or a bracket through the rotating component. 
     
     
       8. An image display method, comprising:
 in response to a play action of a video media resource of a display device, detecting a current rotating state of a screen of the display device; 
 in response to the current rotating state of the screen being in a landscape mode and a video media resource being a vertical media resource, controlling a rotating component of the display device to rotate the screen to a portrait mode; 
 calculating a rotating parameter according to the current rotating state and an aspect ratio of the video media resource, wherein the rotating parameter comprises a display image scaling ratio and/or a rotating angle; 
 adjusting a display window of the video media resource on the screen according to the rotating parameter; 
 obtaining a current display window position of the video media resource on the screen; 
 determining a target display window position according to a current rotating state of the screen; 
 comparing the target display window position with the current display window position to generate width-height deformations; 
 determining a scaling step size, wherein the scaling step size is a width-height scaling increment per unit time calculated according to the width-height deformations and a rotating speed of the rotating component; and 
 adjusting width and height values of the display window according to the scaling step size. 
 
     
     
       9. The method according to  claim 8 , further comprising:
 determining a coordinate of a scaling base point in the current display window; and 
 adjusting synchronously the width and height values of the display window according to the scaling step size with the coordinate of the scaling base point as a reference. 
 
     
     
       10. The method according to  claim 8 , further comprising:
 determining a window rotating direction, wherein the window rotating direction is opposite to a rotating direction of the screen; 
 comparing the target display window position with the current display window position to generate an angle deformation; and 
 generating a rotating step size, wherein the rotating step size is an angle rotating increment per unit time calculated according to the angle deformation and a rotating speed of the rotating component. 
 
     
     
       11. The method according to  claim 8 , further comprising:
 obtaining angle data of the screen in real time by monitoring an angle sensor of the rotating component; 
 synchronously calculating a rotating parameter of a display window according to the angle data; and 
 adjusting a window for displaying the video media resource according to the rotating parameter. 
 
     
     
       12. The method according to  claim 8 , further comprising:
 detecting an on/off state of the rotating component; 
 detecting an aspect ratio of a display window corresponding to the video media resource and the current rotating state of the screen in response to the state of the rotating component being on; and 
 controlling the screen to present a setting interface of the on/off state of the rotating component in response to the state of the rotating component being off. 
 
     
     
       13. The method according to  claim 8 , further comprising:
 receiving a command for rotating the screen from a user; and 
 sending the command to a driving motor of the rotating component to start rotating.